Caterpillar Radiators – Browse Replacement Parts

Is your engine overheating? The radiator could be the cause. How can you tell if the radiator is repairable or if you need a new one? Major fluid leaks are a common indicator that a new radiator is your best option. Active is here to help! We can help to provide parts for both your new and older models of Caterpillar.

While using either your light or heavy construction equipment whether it be generators or otherwise, you can be confident that should you need repair, we can help you through that! If your Caterpillar radiator is beyond any repair, Active Radiator has the most popular Caterpillar replacement parts in stock across the U.S. For example, we have the 450560 radiator for your 336E Excavator backhoe trackhoe cooling unit , and we also have the associated oil cooler and charge air cooler so we can meet all your needs!   

Caterpillar Radiators

Caterpillar radiators allow heavy-duty vehicles to run in harsh environmental conditions and long-term service. They are specifically designed to protect Caterpillar engines from overheating and other damages caused by the continual motion of air through engine components. Caterpillar radiators provide supreme performance efficiency, outstanding heat transfer capabilities, and superior durability. This ensures that Caterpillar engine parts remain safe, even when powering over long distances or in intense weather conditions. Caterpillar radiators are ideal for a wide range of construction equipment and on-highway trucks that require reliable operation and long lifespan.

Caterpillar Equipment Radiators are specifically designed to provide superior cooling performance for Caterpillar Heavy Equipment. The top-of-the-line engineering and construction ensures every Caterpillar Equipment Radiator meets Caterpillar’s stringent specifications and provides powerful, reliable cooling results in the toughest conditions. Caterpillar Radiators are designed and manufactured with the highest quality materials, innovative design, and state-of-the art manufacturing processes. 

With their advanced technology and rigorous testing, Caterpillar Radiators provide unbeatable reliability and durability that customers have come to expect from Caterpillar heavy equipment parts. Caterpillar radiators are built with premium materials to achieve best-in-class corrosion resistance as well as a long service life in any operating condition. Whether you’re looking to replace an existing part or purchase a new radiator for your Caterpillar equipment, it’s worth investing in the highest quality for maximum equipment performance.

Active Radiator offers a wide variety of Caterpillar radiators and parts for Caterpillar engines so you can gain peace of mind in your business and projects. Protect your investments and install high quality Caterpillar aftermarket parts today!

Caterpillar Equipment Radiators

Caterpillar equipment radiators are reliable, durable and cost-effective solutions for a wide range of Caterpillar industrial equipment. Our selection of Caterpillar aftermarket equipment radiators utilize All-Metal Single Core Design and are designed with superior materials to provide peak performance in Caterpillar machines that operate in harsh environments. 

Caterpillar equipment radiators can withstand extreme temperatures, as well as corrosion, customer abuse and other external physical impacts to ensure they keep running with little or no maintenance. Additional features like built-in pressure relief valves, variable mounting flanges and double sided core fins guarantee Caterpillar equipment radiators are the best choice for reliable cooling systems inside Caterpillar industrial machines.

Experience the Active advantage today! We’ll help get your equipment back in service quickly with minimal downtime.  Find a location near you to buy a Bobcat radiator replacement.

Caterpillar 450128 radiator drawing

Caterpillar Equipment Radiator

450128 Radiator

OE NUMBERS

450128ST
11589
GEN105
MN42213287003
MN42200048810P
2486F103
3694471
4321410
2368741
2367766
245960

Caterpillar 450290 radiator drawing

CAT 345 Excavator Radiator

450290 Radiator

OE NUMBERS

BT2302966
2108161
2108164
2302966
3836407
3836408
117539

Caterpillar 450702 radiator drawing

Caterpillar 3412 Genset Radiator

450702 Radiator

OE NUMBERS

450702BT
8N4885
7E4255
7E4264
SCSI7981
SCSI7981SC
4N8995
10R0745
5737675

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Part Number Height Width Depth Filler Neck Product Inlet Outlet Oil Cooler 
4508265937.06255.5NoneRadiatorTop LeftBottom RightNone
45135949.2517.68755.5NoneRadiator  None
45193748.87515.93755.5NoneRadiator  None
45153248.312515.93754.5CenterRadiatorLeft CenterRightNone
4511724823.18755.875NoneRadiator  None
45077147.540.751.9375NoneRadiator  None
45087947.37520.3754.125LeftRadiatorRightRightNone
45056047.2519.31255.75NoneRadiatorCenter TopCenter BottomNone
45099747.2516.31255NoneRadiatorCenterLeftNone
45114046.7527.1255.875NoneRadiatorLeftRightNone
45134246.517.754.125NoneRadiatorRightCenterNone
45186146.517.754.125NoneRadiatorCenterCenterNone
4518114615.93756.25NoneRadiatorCenter45* LeftNone
45182245.87540.753.25NoneRadiator  None
45078244.817.065.38 Radiator   
45078444.819.385.38 Radiator   
45029044.517.3754Top RightRadiatorTop CenterBottom CenterNone
45117044.12524.1255.875NoneRadiator  None
45103744.062520.43753.3125CenterRadiatorLeft CenterLeft CenterNone
4513924417.43755.875NoneRadiator  None
45184243.7528.6253.25NoneRadiatorLeftRightNone
45192242.687517.754.125NoneRadiatorLeftLeftNone
45108342.528.6256.25NoneRadiator  None
45141942.2510.8754.125NoneRadiator  None
45078141.757.065.38 Radiator   
45078341.759.385.38 Radiator   
45058341.375332.8125CenterRadiatorRightRightNone
45156041.37516.31254.125Right CenterRadiatorLeftRightNone
45157841.2566.254.125CenterRadiator  None
45065641.12514.55.5NoneRadiatorRightRightNone
4511854113.55.875LettRadiatorCenterCenter None
45152140.87526.755.875NoneRadiator  None
45001040.7554.25 Radiator   
45122240.75344.125CenterRadiatorLeft CenterLeftNone
45204840.7535.53.25CenterRadiatorLeftLeftNone
45030940.62514.93754.125Top RightRadiatorTop LeftBottom RightNone
45203039.87532.68755.875NoneRadiatorCenterCenterNone
45081639.375335 Radiator   
45094439.37533.18754.125NoneRadiator  None
45103939.37525.1254.5625NoneRadiatorCenterCenterNone
45132339.37530.93756.25NoneRadiatorLeftRightNone
45135039.37533.18754.125NoneRadiatorSide of Top TankStraight Down Bottom TankNone
4519023817.68755.5CenterRadiatorCenterRighrtNone
45201937.87514.81253.25NoneRadiatorCenterLeftNone
45060137.517.752.25Top RightRadiatorLeftRight 
45063837.511.3756.25NoneRadiatorLeftRightNone
45128237.510.756.25NoneRadiatorRightLeftNone
45134837.516.81253.6875RightRadiator  None
45201237.522.81255NoneRadiatorRightCenterNone
45003737.312529.8753TopRadiatorRightRightNone
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